https://www.wosu.org/tags/combined-epa-runoff-sewer-storm-water combined epa runoff sewer storm water en-US Copyright Thu, 15 Nov 2007 05:00:00 GMT https://www.wosu.org/news/2007-11-15/proposed-tunnel-system-would-reduce-columbus-water-pollution Under pressure from the Ohio EPA, the City of Columbus is planning to build a tunnel system to handle surges in storm water runoff. At present, during… Thu, 15 Nov 2007 05:00:00 GMT https://www.wosu.org/news/2007-11-15/proposed-tunnel-system-would-reduce-columbus-water-pollution admin